Photovoltaic device



FIG. 1 is a bottom perspective view of a first embodiment of a photovoltaic device showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a bottom plan view of a second embodiment of a photovoltaic device showing our new design. 

CLAIM The ornamental design for a photovoltaic device, as shown and described. 